JPH07148881A - Low reflective print - Google Patents
Low reflective printInfo
- Publication number
- JPH07148881A JPH07148881A JP5321298A JP32129893A JPH07148881A JP H07148881 A JPH07148881 A JP H07148881A JP 5321298 A JP5321298 A JP 5321298A JP 32129893 A JP32129893 A JP 32129893A JP H07148881 A JPH07148881 A JP H07148881A
- Authority
- JP
- Japan
- Prior art keywords
- printed image
- layer
- transparent low
- low reflective
- fluorine compound
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Landscapes
- Laminated Bodies (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】この発明は、背景の映り込みや室
内灯の光や太陽光などによる眩しい光沢が抑制され、文
字や模様などの印刷画像が見やすい印刷物に関するもの
である。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a printed matter in which a reflected image of a background and a dazzling gloss due to light of an interior lamp or sunlight are suppressed and a printed image such as a character or a pattern is easy to see.
【０００２】[0002]
【従来の技術】従来、基材上に印刷画像層が形成された
印刷物として、眩しい光沢を発するものがある。眩しい
光沢としては、背景の映り込みや室内灯の光や太陽光な
どの反射光による光沢があり、基材および／または印刷
画像層から発せられる。このような従来の印刷物の眩し
い光沢は、美術本、絵本、ポスター、カタログなどにお
いては、文字や模様などの印刷画像の判読を妨げること
がある。そこで、光沢の眩しさを抑さえるために、印刷
物の表面に粒径の大きな透明顔料を含有させたインキを
用いて印刷画像層上に微細な凹凸層を形成し、反射光を
散乱させ光沢をなくすようにしたものがある。2. Description of the Related Art Conventionally, as a printed matter having a printed image layer formed on a substrate, there is a printed matter having a dazzling gloss. The dazzling luster includes a glare of a background and a luster due to reflected light such as light of an interior lamp or sunlight, and is emitted from a base material and / or a printed image layer. Such a dazzling gloss of a conventional printed matter may hinder the reading of printed images such as characters and patterns in art books, picture books, posters, catalogs, and the like. Therefore, in order to suppress the glare of gloss, a fine uneven layer is formed on the printed image layer using an ink containing a transparent pigment with a large particle size on the surface of the printed matter, and the reflected light is scattered to improve the gloss. There is something I tried to lose.
【０００３】[0003]
【発明が解決しようとする課題】しかし、印刷物の表面
に微細な凹凸層を形成したものは、凹凸層を通して印刷
画像を見ることになる。このため印刷画像からの光が微
細な凹凸によって散乱されてしまい、印刷画像がぼやけ
たりくすんだりして鮮明に見えにくくなる。However, when a fine uneven layer is formed on the surface of the printed matter, the printed image can be seen through the uneven layer. For this reason, the light from the printed image is scattered by the fine irregularities, and the printed image becomes blurry or dull, making it difficult to see clearly.
【０００４】[0004]
【課題を解決するための手段】この発明は、以上の課題
を解決するためにつぎのように構成した。つまり、この
発明の低反射印刷物は、光沢のある基材上に、印刷画像
層、フッ素化合物からなり屈折率が１.４以下の平滑な
透明低反射層が順次形成されている。The present invention has the following structure to solve the above problems. That is, in the low reflection printed matter of the present invention, a printed image layer and a smooth transparent low reflection layer made of a fluorine compound and having a refractive index of 1.4 or less are sequentially formed on a glossy substrate.
【０００５】また、この発明は、透明低反射層の膜厚
が、500〜5000Åであるように形成してもよい。Further, in the present invention, the transparent low reflection layer may be formed so as to have a film thickness of 500 to 5000 Å.
【０００６】また、この発明は、印刷画像層が、光沢を
有するインキよりなるように形成してもよい。Further, in the present invention, the print image layer may be formed of an ink having gloss.
【０００７】基材は、アート紙、マシンコート紙などの
紙類、プラスチックシート、ガラス材などの反射光沢の
強いものがある。The substrate includes papers such as art paper and machine-coated paper, plastic sheets, glass materials and the like having strong reflective gloss.
【０００８】印刷画像層は、文字、模様などの画像を、
顔料や染料などの着色材を含んだ各種印刷インキにて形
成されたものである。印刷インキとしてパール顔料など
の光沢性のあるものを使用したインキを用いると、印刷
画像層自体が光沢のあるものになる。The print image layer displays images such as characters and patterns.
It is formed by various printing inks containing coloring materials such as pigments and dyes. When an ink using a glossy one such as a pearl pigment is used as the printing ink, the printed image layer itself becomes glossy.
【０００９】透明低反射層は、フッ素化合物からなり屈
折率が１.４以下の平滑な層である。有機のフッ素化合
物としては、アモルファスパーフロロポリマーなどがあ
る。無機のフッ素系化合物としては、フッ化マグネシウ
ム、フッ化リチウム、フッ化ナトリウム、フッ化ストロ
ンチウム、フッ化アルミニウムなどがある。透明低反射
層は、ディッピング法、スピンコーティング法、ロール
コーティング法によって形成することができる。屈折率
が１.４を超えると、透明反射層が基材および／または
印刷画像層からの眩しい光沢を抑さえられない。The transparent low reflection layer is a smooth layer made of a fluorine compound and having a refractive index of 1.4 or less. Examples of organic fluorine compounds include amorphous perfluoropolymer. Examples of the inorganic fluorine-based compound include magnesium fluoride, lithium fluoride, sodium fluoride, strontium fluoride, and aluminum fluoride. The transparent low reflection layer can be formed by a dipping method, a spin coating method, or a roll coating method. When the refractive index exceeds 1.4, the transparent reflective layer cannot suppress the dazzling gloss from the substrate and / or the printed image layer.
【００１０】透明低反射層の膜厚は、フッ素化合物の屈
折率および印刷インキのバインダーの種類に依存する。
透明低反射層の膜厚は、眩しい光沢が抑さえられる膜厚
を選べばよい。好ましくは、500〜5000Åの範囲がよ
い。500〜5000Åの範囲を超えると反射率が上がり眩し
い光沢が抑さえられない。印刷画像層の屈折率をＮ0 、
透明低反射層の屈折率をＮ1 、膜厚をｄ1 、印刷画像層
に入射光の波長をλとした場合、Ｎ1＝Ｎ0 1/2、およ
び、Ｎ1ｄ1＝λ／４の関係を満たすように、膜厚ｄ1を
決めると最もよい効果が得られる。The film thickness of the transparent low reflection layer depends on the refractive index of the fluorine compound and the kind of binder of the printing ink.
The film thickness of the transparent low reflection layer may be selected so that the dazzling gloss is suppressed. The range of 500 to 5000Å is preferable. When it exceeds the range of 500 to 5000Å, the reflectance increases and the dazzling gloss cannot be suppressed. The refractive index of the printed image layer is N 0 ,
When the refractive index of the transparent low reflection layer is N 1 , the film thickness is d 1 , and the wavelength of the incident light on the print image layer is λ, N 1 = N 0 1/2 and N 1 d 1 = λ / 4 The best effect can be obtained by determining the film thickness d 1 so as to satisfy the relationship.
【００１１】[0011]
【作用】この発明は、基材上に印刷画像層、フッ素化合
物からなり屈折率が１.４以下の透明低反射層が順次形
成されているので、基材および／または印刷画像層の眩
しい光沢を透明低反射層が抑さえる。しかも、透明低反
射層は透明かつ平滑なので、印刷画像からの光を散乱す
ることがない。According to the present invention, since the printed image layer and the transparent low reflection layer made of a fluorine compound and having a refractive index of 1.4 or less are sequentially formed on the substrate, the substrate and / or the printed image layer have a dazzling gloss. The transparent low reflection layer suppresses. Moreover, since the transparent low reflection layer is transparent and smooth, it does not scatter light from the printed image.
【００１２】[0012]
実例１ アート紙に風景が印刷された印刷物表面に屈折率1.31の
アモルファスパーフロロポリマー（デュポン社製 TEFL
ON AF）からなる透明低反射層を1050ű50Åの膜厚で
形成した。得られた印刷画像は、映り込みが極めて少な
く、ぼやけたりくすんだりせず鮮明に見えた。Example 1 Amorphous perfluoropolymer with a refractive index of 1.31 (DuPont TEFL
A transparent low reflection layer composed of ON AF) was formed with a film thickness of 1050Å ± 50Å. The print image obtained had very little glare and appeared clear without blurring or dullness.
【００１３】実例２ 実例１と同じ印刷物表面に、屈折率1.34のアモルファス
パーフロロポリマー（旭硝子（株）製 サイトップ）か
らなる透明低反射層を1025ű50Åの膜厚で形成した。
得られた印刷画像は、映り込みが極めて少なく、ぼやけ
たりくすんだりせず鮮明に見えた。Example 2 A transparent low reflection layer made of amorphous perfluoropolymer having a refractive index of 1.34 (Cytop manufactured by Asahi Glass Co., Ltd.) having a film thickness of 1025Å ± 50Å was formed on the same printed material surface as in Example 1.
The print image obtained had very little glare and appeared clear without blurring or dullness.
【００１４】実例３ 実例１と同じ印刷物表面に、屈折率1.38のフッ化マグネ
シウムからなる透明低反射層を1000ű50Åの膜厚で形
成した。得られた印刷画像は、映り込みが極めて少な
く、ぼやけたりくすんだりせず鮮明に見えた。Example 3 A transparent low reflection layer made of magnesium fluoride having a refractive index of 1.38 was formed on the same printed material surface as in Example 1 to a film thickness of 1000Å ± 50Å. The print image obtained had very little glare and appeared clear without blurring or dullness.
【００１５】[0015]
【発明の効果】この発明の印刷物は、基材および／また
は印刷画像層の眩しい光沢を、透明低反射層が順次抑さ
えるので、文字や模様などの印刷画像の判読を妨げるこ
とがない。しかも、この発明の印刷物は、印刷画像から
の光を散乱することがないので、印刷画像が、ぼやけた
りくすんだりせずに鮮明に見える。EFFECTS OF THE INVENTION In the printed matter of the present invention, the dazzling gloss of the substrate and / or the printed image layer is sequentially suppressed by the transparent low reflection layer, so that the printed image such as characters and patterns is not disturbed. Moreover, since the printed matter of the present invention does not scatter light from the printed image, the printed image looks clear without being blurred or dull.
Claims (3)
素化合物からなり屈折率が１.４以下の平滑な透明低反
射層が順次形成されていることを特徴とする低反射印刷
物。1. A low-reflection printed material, comprising a printed image layer and a smooth transparent low-reflection layer made of a fluorine compound and having a refractive index of 1.4 or less, which are successively formed on a glossy substrate.
ある請求項１記載の低反射印刷物。2. The low reflection printed matter according to claim 1, wherein the transparent low reflection layer has a film thickness of 500 to 5000 liters.
なる請求項１または請求項２記載の低反射印刷物。3. The low reflection printed matter according to claim 1, wherein the printed image layer is made of an ink having gloss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5321298A JPH07148881A (en) | 1993-11-26 | 1993-11-26 | Low reflective print |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5321298A JPH07148881A (en) | 1993-11-26 | 1993-11-26 | Low reflective print |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH07148881A true JPH07148881A (en) | 1995-06-13 |
Family
ID=18131019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5321298A Withdrawn JPH07148881A (en) | 1993-11-26 | 1993-11-26 | Low reflective print |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07148881A (en) |
-
1993
- 1993-11-26 JP JP5321298A patent/JPH07148881A/en not_active Withdrawn
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A300 | Withdrawal of application because of no request for examination |
Free format text: JAPANESE INTERMEDIATE CODE: A300 Effective date: 20010130 |